protected virtual void EstablishLazyDependenciesForCategories(IEnumerable <Category> categories)
{
if (categories == null)
{
throw new ArgumentNullException(nameof(categories));
}
foreach (var category in categories)
{
//Lazy loading for parents categories
category.Parents = new MutablePagedList <Category>((pageNumber, pageSize, sortInfos) =>
{
var catIds = category.Outline.Split('/');
return(new StaticPagedList <Category>(GetCategories(catIds, CategoryResponseGroup.Small), pageNumber, pageSize, catIds.Length));
}, 1, CategorySearchCriteria.DefaultPageSize);
//Lazy loading for child categories
category.Categories = new MutablePagedList <Category>((pageNumber, pageSize, sortInfos, @params) =>
{
var categorySearchCriteria = new CategorySearchCriteria
{
PageNumber = pageNumber,
PageSize = pageSize,
Outline = "/" + category.Outline
};
if (!sortInfos.IsNullOrEmpty())
{
categorySearchCriteria.SortBy = SortInfo.ToString(sortInfos);
}
if (@params != null)
{
categorySearchCriteria.CopyFrom(@params);
}
var searchResult = SearchCategories(categorySearchCriteria);
return(searchResult);
}, 1, CategorySearchCriteria.DefaultPageSize);
}
}
public static Task WithCatalogsAsync(this IWorkContextBuilder builder)
{
var serviceProvider = builder.HttpContext.RequestServices;
var catalogService = serviceProvider.GetRequiredService <ICatalogService>();
var workContext = builder.WorkContext;
//Initialize catalog search criteria
var productSearchcriteria = new ProductSearchCriteria(workContext.CurrentLanguage, workContext.CurrentCurrency, workContext.QueryString)
{
UserGroups = workContext.CurrentUser?.Contact?.UserGroups ?? new List <string>()
};
workContext.CurrentProductSearchCriteria = productSearchcriteria;
//Initialize product response group.
//TODO: Need to find possibility to set this response group in theme
workContext.CurrentProductResponseGroup = EnumUtility.SafeParse(workContext.QueryString.Get("resp_group"), ItemResponseGroup.ItemMedium | ItemResponseGroup.ItemWithPrices | ItemResponseGroup.ItemWithVendor | ItemResponseGroup.ItemAssociations);
//This line make delay categories loading initialization (categories can be evaluated on view rendering time)
workContext.Categories = new MutablePagedList <Category>((pageNumber, pageSize, sortInfos, @params) =>
{
var criteria = new CategorySearchCriteria(workContext.CurrentLanguage)
{
PageNumber = pageNumber,
PageSize = pageSize,
ResponseGroup = CategoryResponseGroup.Small
};
if (@params != null)
{
criteria.CopyFrom(@params);
}
if (string.IsNullOrEmpty(criteria.SortBy) && !sortInfos.IsNullOrEmpty())
{
criteria.SortBy = SortInfo.ToString(sortInfos);
}
var result = catalogService.SearchCategories(criteria);
foreach (var category in result)
{
category.Products = new MutablePagedList <Product>((pageNumber2, pageSize2, sortInfos2, params2) =>
{
var productSearchCriteria = new ProductSearchCriteria(workContext.CurrentLanguage, workContext.CurrentCurrency)
{
PageNumber = pageNumber2,
PageSize = pageSize2,
Outline = category.Outline,
ResponseGroup = workContext.CurrentProductSearchCriteria.ResponseGroup,
UserGroups = workContext.CurrentUser?.Contact?.UserGroups ?? new List <string>()
};
if (params2 != null)
{
criteria.CopyFrom(params2);
}
//criteria.CategoryId = category.Id;
if (string.IsNullOrEmpty(criteria.SortBy) && !sortInfos2.IsNullOrEmpty())
{
productSearchCriteria.SortBy = SortInfo.ToString(sortInfos2);
}
var searchResult = catalogService.SearchProducts(productSearchCriteria);
//Because catalog search products returns also aggregations we can use it to populate workContext using C# closure
//now workContext.Aggregation will be contains preloaded aggregations for current category
workContext.Aggregations = new MutablePagedList <Aggregation>(searchResult.Aggregations);
return(searchResult.Products);
}, 1, ProductSearchCriteria.DefaultPageSize);
}
return(result);
}, 1, CategorySearchCriteria.DefaultPageSize);
//This line make delay products loading initialization (products can be evaluated on view rendering time)
workContext.Products = new MutablePagedList <Product>((pageNumber, pageSize, sortInfos, @params) =>
{
var criteria = workContext.CurrentProductSearchCriteria.Clone() as ProductSearchCriteria;
criteria.PageNumber = pageNumber;
criteria.PageSize = pageSize;
if (string.IsNullOrEmpty(criteria.SortBy) && !sortInfos.IsNullOrEmpty())
{
criteria.SortBy = SortInfo.ToString(sortInfos);
}
if (@params != null)
{
criteria.CopyFrom(@params);
}
var result = catalogService.SearchProducts(criteria);
//Prevent double api request for get aggregations
//Because catalog search products returns also aggregations we can use it to populate workContext using C# closure
//now workContext.Aggregation will be contains preloaded aggregations for current search criteria
workContext.Aggregations = new MutablePagedList <Aggregation>(result.Aggregations);
return(result.Products);
}, 1, ProductSearchCriteria.DefaultPageSize);
//This line make delay aggregation loading initialization (aggregation can be evaluated on view rendering time)
workContext.Aggregations = new MutablePagedList <Aggregation>((pageNumber, pageSize, sortInfos, @params) =>
{
var criteria = workContext.CurrentProductSearchCriteria.Clone() as ProductSearchCriteria;
criteria.PageNumber = pageNumber;
criteria.PageSize = pageSize;
if (string.IsNullOrEmpty(criteria.SortBy) && !sortInfos.IsNullOrEmpty())
{
criteria.SortBy = SortInfo.ToString(sortInfos);
}
if (@params != null)
{
criteria.CopyFrom(@params);
}
//Force to load products and its also populate workContext.Aggregations by preloaded values
workContext.Products.Slice(pageNumber, pageSize, sortInfos);
return(workContext.Aggregations);
}, 1, ProductSearchCriteria.DefaultPageSize);
return(Task.CompletedTask);
}
public static Task WithCatalogsAsync(this IWorkContextBuilder builder)
{
var serviceProvider = builder.HttpContext.RequestServices;
var catalogService = serviceProvider.GetRequiredService <ICatalogService>();
var workContext = builder.WorkContext;
var defaultSort = "priority-descending;name-ascending";
//Initialize catalog search criteria
var productSearchcriteria = new ProductSearchCriteria(workContext.CurrentLanguage, workContext.CurrentCurrency, workContext.QueryString)
{
UserGroups = workContext.CurrentUser?.Contact?.UserGroups ?? new List <string>()
};
if (string.IsNullOrEmpty(productSearchcriteria.SortBy))
{
productSearchcriteria.SortBy = defaultSort;
}
workContext.CurrentProductSearchCriteria = productSearchcriteria;
//Initialize product response group.
//TODO: Need to find possibility to set this response group in theme
workContext.CurrentProductResponseGroup = EnumUtility.SafeParse(workContext.QueryString.Get("resp_group"), ItemResponseGroup.ItemMedium | ItemResponseGroup.ItemWithPrices | ItemResponseGroup.ItemWithVendor | ItemResponseGroup.ItemAssociations);
//This line make delay categories loading initialization (categories can be evaluated on view rendering time)
workContext.Categories = new MutablePagedList <Category>((pageNumber, pageSize, sortInfos, @params) =>
{
var criteria = new CategorySearchCriteria(workContext.CurrentLanguage)
{
PageNumber = pageNumber,
PageSize = pageSize,
ResponseGroup = CategoryResponseGroup.Small
};
if (@params != null)
{
criteria.CopyFrom(@params);
}
if (string.IsNullOrEmpty(criteria.SortBy) && !sortInfos.IsNullOrEmpty())
{
criteria.SortBy = SortInfo.ToString(sortInfos);
}
var result = catalogService.SearchCategories(criteria);
foreach (var category in result)
{
category.Products = new MutablePagedList <Product>((pageNumber2, pageSize2, sortInfos2, params2) =>
{
var productSearchCriteria = new ProductSearchCriteria(workContext.CurrentLanguage, workContext.CurrentCurrency)
{
PageNumber = pageNumber2,
PageSize = pageSize2,
Outline = category.Outline,
ResponseGroup = workContext.CurrentProductSearchCriteria.ResponseGroup,
UserGroups = workContext.CurrentUser?.Contact?.UserGroups ?? new List <string>()
};
if (params2 != null)
{
productSearchCriteria.CopyFrom(params2);
}
//criteria.CategoryId = category.Id;
if (string.IsNullOrEmpty(productSearchCriteria.SortBy) && !sortInfos2.IsNullOrEmpty())
{
productSearchCriteria.SortBy = SortInfo.ToString(sortInfos2);
}
return(catalogService.SearchProducts(productSearchCriteria).Products);
}, 1, ProductSearchCriteria.DefaultPageSize);
}
return(result);
}, 1, CategorySearchCriteria.DefaultPageSize);
//This line make delay products loading initialization (products can be evaluated on view rendering time)
workContext.Products = new MutablePagedList <Product>((pageNumber, pageSize, sortInfos, @params) =>
{
var criteria = workContext.CurrentProductSearchCriteria.Clone() as ProductSearchCriteria;
criteria.PageNumber = pageNumber;
criteria.PageSize = pageSize;
if (string.IsNullOrEmpty(criteria.SortBy) && !sortInfos.IsNullOrEmpty())
{
criteria.SortBy = SortInfo.ToString(sortInfos);
}
if (@params != null)
{
criteria.CopyFrom(@params);
}
var result = catalogService.SearchProducts(criteria);
//Need change ProductSearchResult with preserve reference because Scriban engine keeps this reference and use new operator will create the new
//object that doesn't tracked by Scriban
builder.WorkContext.ProductSearchResult.Aggregations = result.Aggregations;
builder.WorkContext.ProductSearchResult.Products = result.Products;
return(result.Products);
}, 1, ProductSearchCriteria.DefaultPageSize);
builder.WorkContext.ProductSearchResult = new CatalogSearchResult(productSearchcriteria)
{
Products = builder.WorkContext.Products
};
return(Task.CompletedTask);
}